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Pearson said he had been working in China with a leading agricultural drone manufacturer, XAG.

“When COVID-19 took effect, they were at the forefront of preventative action in China and have been continuously disinfecting areas there for the past eight weeks. They have sprayed more than 902m square metres in 20 Chinese provinces with remarkable results.”

In the UK, there are 48 police drone teams and 100 in the fire service. Harper Adams plans to develop and run an intensive training course for these operators.

The drones could then be used to disinfect contaminated infection hotspots, such as parks, areas outside hospitals, emergency and public transport vehicles, and schools.

Accuracy

Jonathan Gill, a mechatronics researcher and drone pilot at Harper Adams University, said: "It is possible to operate spray drones remotely, reducing the need for people to enter contaminated areas to disinfect them and their chance of becoming infected.

After a drone has sprayed an area, it can return to that area and spray it again fully autonomously with an accuracy of ±1cm

“This means that drone operators would not require medical levels of PPE as standard agricultural sprayer PPE would suffice. They would therefore not create an additional burden on the government's limited supply of medical PPE.”

Gill said the aerial spray systems could cover areas that were difficult to access by ground-based vehicles or hand-held sprayer units.

"A drone can spray 600,000 square metres a day, the equivalent of 100 workers equipped with knapsack sprayers. Not only that, after a drone has sprayed an area, it can return to that area and spray it again fully autonomously with an accuracy of ±1cm repeatedly, meeting the requirement for repeated and regular spraying of key areas.